Oval|Lab Grown|IGI

1.18ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG611391203

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG611391203

Diamond specifications and retailer prices

From £259 GBP
$345 USD
As of October 30, 2026
Save £567 GBP (69%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £826 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.18ct lab-grown oval diamond

This 1.18ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG611391203 or 611391203. Listed at 3 retailers as of October 29, 2026, with prices from £259 to £826, a £567 spread on the same certified stone. Brilliant Earth lists it at £826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611391203
Dimensions8.37 × 5.94 × 3.70 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.37 mm5.94 mm1.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611391203
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £826 GBP|Low: £89 GBP|High: £916 GBP|Avg: £433 GBP|-4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 4, 2026
Retailer 2£259 GBP
Retailer 3£274 GBP
Retailer 9£322 GBP
Retailer 8£378 GBP
Retailer 7£412 GBP
Retailer 4£430 GBP
Retailer 5£536 GBP
Retailer 6£801 GBP
Brilliant Earth£826 GBP

34 data points across 9 retailers

3 retailers£259 GBP to £826 GBP

B+
Cheapest Retailer
-
£259 GBP
$345 USD
B+
Retailer 2
-
£378 GBP
View
Most Expensive
B
Brilliant Earth
16509232A · Oct 29
£826 GBP
$1,100 USD
View
2 more retailers have this diamond
Prices start from £259 GBPSave up to £567 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.18ct Oval
£259 GBP